life Process
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Questions and Answers

What is the common evidence for being alive according to the passage?

  • Infecting cells
  • Visible movement (correct)
  • Color
  • Breathing
  • Why is there controversy about whether viruses are truly alive or not?

  • They infect cells
  • They do not show any molecular movement (correct)
  • They have visible movement
  • They grow over time
  • What characteristic of plants is mentioned in the passage as a way to know they are alive?

  • Visible movement
  • Eating food
  • Infecting cells
  • Leaves of colors other than green (correct)
  • Why is using visible movement as the defining characteristic of life not enough?

    <p>Some animals can breathe without visible movement</p> Signup and view all the answers

    According to professional biologists, why is there a controversy about whether viruses are truly alive or not?

    <p>Viruses do not show any molecular movement</p> Signup and view all the answers

    In biological classification, what is the rank of class in relation to phylum and order?

    <p>Between phylum and order</p> Signup and view all the answers

    Who first introduced the distinct rank of class in biological classification?

    <p>Joseph Pitton de Tournefort</p> Signup and view all the answers

    How is the composition of each class ultimately determined?

    <p>By the subjective judgment of taxonomists</p> Signup and view all the answers

    Which of the following did Carl Linnaeus divide into classes in the first edition of his Systema Naturae?

    <p>All three kingdoms of Nature</p> Signup and view all the answers

    What distinctive characteristic is historically conceived to be embraced by taxa in the class?

    <p>'Level of complexity' measured in terms of how differentiated their organ systems are into distinct regions or sub-organs</p> Signup and view all the answers

    According to the passage, what is a contentious issue regarding viruses and their classification as living organisms?

    <p>The controversy surrounding their molecular movement</p> Signup and view all the answers

    Based on the passage, why is the visible movement not considered a sufficient defining characteristic of life?

    <p>Due to the invisible molecular movement necessary for life</p> Signup and view all the answers

    What is the primary reason for the controversy about whether viruses are truly alive or not?

    <p>Their lack of visible movement until they infect some cell</p> Signup and view all the answers

    Why do professional biologists consider invisible molecular movement necessary for life?

    <p>To differentiate between living and non-living organisms</p> Signup and view all the answers

    What characteristic of viruses contributes to the controversy about their classification as living or non-living?

    <p>Their lack of visible movement</p> Signup and view all the answers

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